Final answer:
The central motif of 'The Pilgrim's Progress' is an analogy that compares the journey of life to a perilous voyage, where the protagonist's journey represents the trials one faces in the quest for salvation.
Step-by-step explanation:
The central motif of "The Pilgrim's Progress" by John Bunyan compares the journey of life to a perilous voyage. The central motif of 'The Pilgrim's Progress' is an analogy that compares the journey of life to a perilous voyage, where the protagonist's journey represents the trials one faces in the quest for salvation.
This comparison is an analogy that suggests life, similar to a journey, is filled with various hardships, challenges, and obstacles that must be overcome in order to reach the ultimate goal of salvation.
As the protagonist, Christian, travels from the City of Destruction to the Celestial City, the narrative vividly depicts the spiritual landscape through which he must journey, representing various types of experiences and trials that one might face in life.